Home / 7,254.15-10,010.81-4,421.15

Finding the Fourth Proportional to 7,254.15, 10,010.81 and 4,421.15

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Solution

The fourth proportional to 7,254.15, 10,010.81 and 4,421.15 is: 6,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.15 : 10,010.81 = 4,421.15 : x
  2. Step 2: Convert to fraction form
    7,254.15/10,010.81 = 4,421.15/x
  3. Step 3: Cross multiply
    7,254.15x = 10,010.81 × 4,421.15
  4. Step 4: Simplify right side
    7,254.15x = 44,259,220.47
  5. Step 5: Solve for x
    x = 44,259,220.47/7,254.15
  6. Step 6: Final answer
    x = 6,101.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.